I tried Casper's $35 pillow that's designed to help you sleep anywhere— here's what it's likeCasper, the company that makes extremely comfortable mattresses and ships them to you in a box, introduced a tiny new pillow in June, called the Nap Pillow.The Nap Pillow is the smallest and cheapest of Casper's available pillows, at just $35. The full-sized pillow and king-sized pillow cost $75 and $95, respectively.Casper sent over the new Nap Pillow for me to try out. Here's what it's like to use:SEE ALSO: Casper's high-tech Wave mattress has given me the best sleep of my life — and ...